To solve trigonometric equations involving radian measure, you should proceed in the same way as for degrees. Use the diagram below to help you apply the necessary conditions. You should also know ...

A web application to help solve math problems, including a basic calculator, trigonometric functions and graphing, matrices, a rough work section, and a login with complete user history to reference ...

Abstract: Nowadays, problems such as greenhouse effect and air pollution become increasingly prominent. The power generation process should pay attention to the fuel cost and reduce the pollution to ...